1. Criterion validity of ultrasound in the identification of calcium pyrophosphate crystal deposits at the knee: an OMERACT ultrasound study. Issue 2 (28th September 2020) Authors: Filippou, Georgios; Scanu, Anna; Adinolfi, Antonella; Toscano, Carmela; Gambera, Dario; Largo, Raquel; Naredo, Esperanza; Calvo, Emilio; Herrero-Beaumont, Gabriel; Zufferey, Pascal; Bonjour, Christel Madelaine; MacCarter, Daryl K; Makman, Stanley; Weber, Zachary; Figus, Fabiana; Möller, Ingrid; G... Journal: Annals of the rheumatic diseases Issue: Volume 80:Issue 2(2021) Page Start: 261 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗